105450454523 has 2 divisors, whose sum is σ = 105450454524. Its totient is φ = 105450454522.

The previous prime is 105450454517. The next prime is 105450454573. The reversal of 105450454523 is 325454054501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105450454523 is a prime.

It is a super-2 number, since 2×105450454523² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105450454573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52725227261 + 52725227262.

It is an arithmetic number, because the mean of its divisors is an integer number (52725227262).

Almost surely, 2^105450454523 is an apocalyptic number.

105450454523 is a deficient number, since it is larger than the sum of its proper divisors (1).

105450454523 is an equidigital number, since it uses as much as digits as its factorization.

105450454523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 105450454523 in words is "one hundred five billion, four hundred fifty million, four hundred fifty-four thousand, five hundred twenty-three".